These printers use the S050010 cartridge:

Epson EPL 5700

Epson EPL 5700 I

Epson EPL 5700 PS

Epson EPL 5800

Epson EPL 5800 L

Epson EPL 5800 Plus

Epson LP 800

Epson LP 800 /CS/SX

Epson LP 800 CS

Epson LP 800 S

Epson LP 900

Epson LP 1800

Epson LP 1900

Epson LP 1900 CN

Epson LP 1900 N

Sharp FO 550

Sharp FO 4650

Sharp FO 4700

Sharp FO 4970

Sharp FO 5550

Sharp FO 5700

Sharp FO 5800

Sharp FO 6700